Dec 18 17:56:49.779 INFO checking canvas-1.0.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:56:49.779 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/canvas/1.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:56:50.023 INFO [stdout] dd6d4b436529bcd1da86853a9ff5ad3510a2c471ca8fa4f75c180c8b8a2df828
Dec 18 17:56:50.032 INFO running `"docker" "start" "-a" "dd6d4b436529bcd1da86853a9ff5ad3510a2c471ca8fa4f75c180c8b8a2df828"`
Dec 18 17:56:50.911 INFO [stderr]     Checking canvas v1.0.1 (/opt/crater/workdir)
Dec 18 17:56:53.000 INFO [stderr] warning: unused import: `super::*`
Dec 18 17:56:53.000 INFO [stderr]    --> src/lib.rs:309:9
Dec 18 17:56:53.000 INFO [stderr]     |
Dec 18 17:56:53.000 INFO [stderr] 309 |     use super::*;
Dec 18 17:56:53.000 INFO [stderr]     |         ^^^^^^^^
Dec 18 17:56:53.000 INFO [stderr]     |
Dec 18 17:56:53.000 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 17:56:53.000 INFO [stderr] 
Dec 18 17:56:53.012 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 18 17:56:53.012 INFO [stderr]  --> src/api.rs:2:5
Dec 18 17:56:53.012 INFO [stderr]   |
Dec 18 17:56:53.012 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 18 17:56:53.012 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 17:56:53.012 INFO [stderr]   |
Dec 18 17:56:53.012 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 17:56:53.012 INFO [stderr] 
Dec 18 17:56:53.013 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 18 17:56:53.013 INFO [stderr]  --> src/api.rs:2:5
Dec 18 17:56:53.013 INFO [stderr]   |
Dec 18 17:56:53.013 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 18 17:56:53.013 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 17:56:53.013 INFO [stderr]   |
Dec 18 17:56:53.013 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 17:56:53.013 INFO [stderr] 
Dec 18 17:56:53.172 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 18 17:56:53.175 INFO [stderr]  --> src/api.rs:2:5
Dec 18 17:56:53.175 INFO [stderr]   |
Dec 18 17:56:53.175 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 18 17:56:53.175 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 17:56:53.175 INFO [stderr]   |
Dec 18 17:56:53.175 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:56:53.175 INFO [stderr] 
Dec 18 17:56:53.176 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 18 17:56:53.176 INFO [stderr]  --> src/api.rs:2:5
Dec 18 17:56:53.176 INFO [stderr]   |
Dec 18 17:56:53.176 INFO [stderr] 2 | use std::ascii::AsciiExt;
Dec 18 17:56:53.176 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 17:56:53.176 INFO [stderr] 
Dec 18 17:56:53.271 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
Dec 18 17:56:53.583 INFO running `"docker" "inspect" "dd6d4b436529bcd1da86853a9ff5ad3510a2c471ca8fa4f75c180c8b8a2df828"`
Dec 18 17:56:53.737 INFO running `"docker" "rm" "-f" "dd6d4b436529bcd1da86853a9ff5ad3510a2c471ca8fa4f75c180c8b8a2df828"`
Dec 18 17:56:53.864 INFO [stdout] dd6d4b436529bcd1da86853a9ff5ad3510a2c471ca8fa4f75c180c8b8a2df828